Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A method of multiplexing signals, the method comprising: receiving a pulse-amplitude modulated (PAM) orthogonal frequency-division multiplexing (OFDM) signal, the OFDM signal being real in frequency domain; receiving a quadrature-amplitude modulated (QAM) cyclic-prefix single-carrier (CP-SC) signal, the CP-SC signal being complex in time domain; inverse transforming the OFDM signal so as to generate an in-phase signal, the in-phase signal being complex in the time domain and real in the frequency domain, wherein the in-phase signal comprises a separate and complete signal; concatenating complex-even and complex-odd portions of the CP-SC signal so as to generate a quadrature signal, the quadrature signal being complex in the time domain and imaginary in the frequency domain, wherein the quadrature signal comprises a separate and complete signal; adding the in-phase signal and the quadrature signal so as to generate a single multiplexed signal; and transmitting the single multiplexed signal, wherein the in-phase signal and the quadrature signal occupy a same time interval and a same frequency band within the single multiplexed signal, and the in-phase signal and the quadrature signal are transmitted simultaneously over the same frequency band in the single multiplexed signal.
A method for multiplexing signals combines a real-valued Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal (in the frequency domain) and a complex-valued Quadrature-Amplitude Modulated (QAM) cyclic-prefix single-carrier (CP-SC) signal (in the time domain). It involves inverse transforming the OFDM signal to create an in-phase signal (complex in time, real in frequency), which is a separate, complete signal. The complex-even and complex-odd portions of the CP-SC signal are concatenated to form a quadrature signal (complex in time, imaginary in frequency), which is also a separate, complete signal. These in-phase and quadrature signals are added to generate a single multiplexed signal and then transmitted. The in-phase and quadrature signals occupy the same time interval and frequency band and are transmitted simultaneously.
2. The method of claim 1 , wherein the complex-even and complex-odd portions are transmitted in two adjacent symbols.
Building upon the method of multiplexing signals by combining a real-valued Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal (in the frequency domain) and a complex-valued Quadrature-Amplitude Modulated (QAM) cyclic-prefix single-carrier (CP-SC) signal (in the time domain), where it involves inverse transforming the OFDM signal to create an in-phase signal (complex in time, real in frequency), which is a separate, complete signal, and the complex-even and complex-odd portions of the CP-SC signal are concatenated to form a quadrature signal (complex in time, imaginary in frequency), which is also a separate, complete signal, and where these in-phase and quadrature signals are added to generate a single multiplexed signal and then transmitted with both occupying the same time interval and frequency band, this claim specifies that the complex-even and complex-odd portions of the CP-SC signal are transmitted in two adjacent symbols.
3. A method of multiplexing signals, the method comprising: receiving a first signal having at least a real component; receiving a second signal having at least a real component; generating an in-phase signal based, at least in part, on the first signal, the in-phase signal being real in a first domain, wherein the in-phase signal comprises a separate and complete signal; generating a quadrature signal based, at least in part, on the second signal, the quadrature signal being imaginary in the first domain, wherein the quadrature signal comprises a separate and complete signal; adding the in-phase signal and the quadrature signal to generate a single multiplexed signal; and transmitting the single multiplexed signal, wherein the in-phase signal and the quadrature signal occupy a same time interval and a same frequency band in the single multiplexed signal, and the in-phase signal and the quadrature signal are transmitted simultaneously over the same frequency band in the single multiplexed signal.
A method for multiplexing signals involves receiving two signals, each having at least a real component. An in-phase signal is generated based on the first signal and is real in a specified domain (either time or frequency), and is a separate, complete signal. A quadrature signal is generated based on the second signal and is imaginary in the same domain, and is also a separate, complete signal. The in-phase and quadrature signals are added together to create a single multiplexed signal, which is then transmitted. The in-phase and quadrature signals occupy the same time interval and frequency band and are transmitted simultaneously over that frequency band.
4. The method of claim 3 , wherein the first signal comprises a pulse-amplitude modulated (PAM) orthogonal frequency-division multiplexing (OFDM) signal that is real in the frequency domain.
Building on the method for multiplexing two signals where an in-phase signal, based on a first signal having at least a real component, and a quadrature signal, based on a second signal having at least a real component, are generated, combined, and transmitted such that they occupy the same time interval and frequency band, this claim specifies that the first signal is a Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal and is real in the frequency domain.
5. The method of claim 4 , wherein the first signal encodes data in the frequency domain.
In the method where a Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal, being real in the frequency domain, is used as a first signal for generating in-phase/quadrature multiplexing, this claim specifies that the first signal encodes data in the frequency domain.
6. The method of claim 5 , wherein the first signal is real and wherein generating an in-phase signal comprises inverse Fourier transforming the first signal.
In the method using a frequency-domain real PAM OFDM signal to generate in-phase/quadrature multiplexing, where the OFDM signal encodes data in the frequency domain, this claim specifies that if the first signal (OFDM) is real, then generating the in-phase signal involves performing an inverse Fourier transform on the first signal.
7. The method of claim 5 , wherein the first signal is complex and wherein generating an in-phase signal comprises: multiplexing real component of the first signal and imaginary component of the first signal so as to generate a real signal; and inverse Fourier transforming the real signal.
In the method using a frequency-domain real PAM OFDM signal to generate in-phase/quadrature multiplexing, where the OFDM signal encodes data in the frequency domain, this claim specifies that if the first signal (OFDM) is complex, the in-phase signal is generated by first multiplexing the real and imaginary components of the first signal to create a real signal, and then performing an inverse Fourier transform on that real signal.
8. The method of claim 7 , wherein multiplexing real and imaginary components of the first signal comprises concatenating, interleaving, time-division multiplexing, or code-division multiplexing real and imaginary components of the first signal.
Expanding on the method where a complex frequency-domain real PAM OFDM signal has its real and imaginary components multiplexed to generate an in-phase signal, this claim details that the multiplexing can be achieved through concatenating, interleaving, time-division multiplexing, or code-division multiplexing of the real and imaginary components.
9. The method of claim 4 , wherein the first signal encodes data in the time domain.
In the method where a Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal, being real in the frequency domain, is used as a first signal for generating in-phase/quadrature multiplexing, this claim specifies that the first signal encodes data in the time domain.
10. The method of claim 9 , wherein the first signal is real and wherein generating an in-phase signal comprises adding even component of the first signal to a 90-degree-rotated version of odd component of the first signal.
In the method using a frequency-domain real PAM OFDM signal to generate in-phase/quadrature multiplexing, where the OFDM signal encodes data in the time domain, this claim specifies that if the first signal (OFDM) is real, then generating the in-phase signal involves adding the even component of the first signal to a 90-degree-rotated version of the odd component of the first signal.
11. The method of claim 9 , wherein the first signal is complex and wherein generating an in-phase signal comprises: multiplexing real component of the first signal and imaginary component of the first signal so as to generate a multiplexed signal; and adding even component of the multiplexed signal to a 90-degree-rotated version of odd component of the multiplexed signal.
In the method using a frequency-domain real PAM OFDM signal to generate in-phase/quadrature multiplexing, where the OFDM signal encodes data in the time domain, this claim specifies that if the first signal (OFDM) is complex, the in-phase signal is generated by multiplexing the real and imaginary components of the first signal to create a multiplexed signal, and then adding the even component of the multiplexed signal to a 90-degree-rotated version of the odd component of the multiplexed signal.
12. The method of claim 9 , wherein the first signal is complex and wherein generating an in-phase signal comprises separately transmitting complex-even component of the first signal and a 90-degree-rotated version of complex-odd component of the first signal.
In the method using a frequency-domain real PAM OFDM signal to generate in-phase/quadrature multiplexing, where the OFDM signal encodes data in the time domain, this claim specifies that if the first signal (OFDM) is complex, the in-phase signal is generated by separately transmitting the complex-even component of the first signal and a 90-degree-rotated version of the complex-odd component of the first signal.
13. The method of claim 4 , wherein the second signal encodes data in the frequency domain.
Building on the method for multiplexing signals where the first signal is a Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal real in the frequency domain, this claim specifies that the second signal encodes data in the frequency domain.
14. The method of claim 13 , wherein the second signal is real and wherein generating a quadrature signal comprises inverse Fourier transforming a 90-degree-rotated version of the second signal.
In the method where a frequency-domain real PAM OFDM signal is used as the first signal and the second signal encodes data in the frequency domain, this claim specifies that if the second signal is real, then generating the quadrature signal involves performing an inverse Fourier transform on a 90-degree-rotated version of the second signal.
15. The method of claim 13 , wherein the second signal is complex and wherein generating a quadrature signal comprises: multiplexing real component of the second signal and imaginary component of the second signal so as to generate a real signal; and inverse Fourier transforming a 90-degree-rotated version of the real signal.
In the method where a frequency-domain real PAM OFDM signal is used as the first signal and the second signal encodes data in the frequency domain, this claim specifies that if the second signal is complex, generating the quadrature signal involves multiplexing the real and imaginary components of the second signal to create a real signal, and then performing an inverse Fourier transform on a 90-degree-rotated version of the real signal.
16. The method of claim 15 , wherein multiplexing real and imaginary components of the second signal comprises concatenating, interleaving, time-division multiplexing, or code-division multiplexing real and imaginary components of the second signal.
Expanding on the method where a complex second signal has its real and imaginary components multiplexed to generate a quadrature signal, this claim specifies that the multiplexing can be achieved through concatenating, interleaving, time-division multiplexing, or code-division multiplexing of the real and imaginary components.
17. The method of claim 4 , wherein the second signal encodes data in the time domain.
Building on the method for multiplexing signals where the first signal is a Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal real in the frequency domain, this claim specifies that the second signal encodes data in the time domain.
18. The method of claim 17 , wherein the second signal is real and wherein generating a quadrature signal comprises adding odd component of the second signal to a 90-degree-rotated version of even component of the second signal.
In the method where a frequency-domain real PAM OFDM signal is used as the first signal and the second signal encodes data in the time domain, this claim specifies that if the second signal is real, then generating the quadrature signal involves adding the odd component of the second signal to a 90-degree-rotated version of the even component of the second signal.
19. The method of claim 17 , wherein the second signal is complex and wherein generating a quadrature signal comprises: multiplexing real component of the second signal and imaginary component of the second signal so as to generate a multiplexed signal; and adding odd component of the multiplexed signal to a 90-degree-rotated version of even component of the multiplexed signal.
In the method where a frequency-domain real PAM OFDM signal is used as the first signal and the second signal encodes data in the time domain, this claim specifies that if the second signal is complex, generating the quadrature signal involves multiplexing the real and imaginary components of the second signal to create a multiplexed signal, and then adding the odd component of the multiplexed signal to a 90-degree-rotated version of the even component of the multiplexed signal.
20. The method of claim 17 , wherein the second signal is complex and wherein generating a quadrature signal comprises separately transmitting complex-odd component of the second signal and a 90-degree-rotated version of complex-even component of the second signal.
In the method where a frequency-domain real PAM OFDM signal is used as the first signal and the second signal encodes data in the time domain, this claim specifies that if the second signal is complex, generating the quadrature signal involves separately transmitting the complex-odd component of the second signal and a 90-degree-rotated version of the complex-even component of the second signal.
21. The method of claim 4 , wherein the first signal is a pulse-amplitude modulated orthogonal frequency-division multiplexing (OFDM) signal and the second signal is a quadrature-amplitude modulation cyclic prefix single-carrier (CP-SC) signal.
In the method for multiplexing two signals where an in-phase signal, based on a first signal having at least a real component, and a quadrature signal, based on a second signal having at least a real component, are generated, combined, and transmitted such that they occupy the same time interval and frequency band, this claim specifies that the first signal is a Pulse-Amplitude Modulated Orthogonal Frequency-Division Multiplexing (OFDM) signal and the second signal is a Quadrature-Amplitude Modulation Cyclic Prefix Single-Carrier (CP-SC) signal.
22. The method of claim 3 , further comprising appending a cyclic prefix prior to transmission.
Building upon the method of multiplexing two signals where an in-phase signal, based on a first signal having at least a real component, and a quadrature signal, based on a second signal having at least a real component, are generated, combined, and transmitted such that they occupy the same time interval and frequency band, this claim adds the step of appending a cyclic prefix to the multiplexed signal before transmission.
23. A method of demultiplexing signals, the method comprising: receiving a single multiplexed signal, the single multiplexed signal comprising a combined in-phase signal and a quadrature signal, the in-phase signal being real in a first domain and the quadrature signal being imaginary in the first domain, wherein the quadrature signal and the in-phase signal each comprises a separate and complete signal prior to being multiplexed, and the in-phase signal and the quadrature signal are received simultaneously over same frequency band in the single multiplexed signal; determining a first signal based on the in-phase signal; and determining a second signal based on the quadrature signal, wherein the in-phase signal and the quadrature signal occupy a same time interval and a same frequency band in the single multiplexed signal.
A method of demultiplexing a single multiplexed signal that contains a combined in-phase signal and a quadrature signal. The in-phase signal is real in a particular domain (either time or frequency), and the quadrature signal is imaginary in that same domain. Both signals were separate and complete before being combined. The in-phase and quadrature signals are received simultaneously over the same frequency band. The method involves determining the original first signal based on the in-phase component and determining the original second signal based on the quadrature component, where the in-phase and quadrature signals occupy the same time interval and frequency band in the multiplexed signal.
24. The method of claim 23 , further comprising removing a cyclic prefix from the single multiplexed signal.
The method of demultiplexing a single multiplexed signal that contains a combined in-phase and quadrature signal, and determining the original signals from these components, further includes removing a cyclic prefix from the multiplexed signal before demultiplexing.
25. The method of claim 23 , wherein the single multiplexed signal is received in the time domain and the first domain is the frequency domain, further comprising Fourier transforming the single multiplexed signal.
Building upon the method of demultiplexing a signal where a single multiplexed signal is received and separated into an in-phase and quadrature component to obtain the original signals, where the in-phase and quadrature components are real and imaginary, respectively, in a certain domain, this claim specifies that if the single multiplexed signal is received in the time domain and the "certain domain" is the frequency domain, then the method includes performing a Fourier transform on the received multiplexed signal.
26. A system for multiplexing signals, the system comprising: a receiver that receives a first signal having at least a real component and a second signal having at least a real component; an in-phase generator that generates an in-phase signal based, at least in part, on the first signal, the in-phase signal being real in a first domain, wherein the in-phase signal comprises a separate and complete signal; a quadrature generator that generates a quadrature signal based, at least in part, on the second signal, the quadrature signal being imaginary in the first domain, wherein the quadrature signal comprises a separate and complete signal; an adder that adds the in-phase and quadrature signals for generating a single multiplexed signal; and a transmitter that transmits the single multiplexed signal, wherein the in-phase signal and the quadrature signal occupy a same time interval and a same frequency band in the single multiplexed signal, and the in-phase signal and the quadrature signal are transmitted simultaneously over the same frequency band in the single multiplexed signal.
A system for multiplexing signals includes a receiver for receiving a first signal with at least a real component and a second signal with at least a real component. An in-phase generator creates an in-phase signal (real in a specified domain and a separate, complete signal) based on the first signal. A quadrature generator creates a quadrature signal (imaginary in the same domain and a separate, complete signal) based on the second signal. An adder combines the in-phase and quadrature signals to create a single multiplexed signal. A transmitter sends this multiplexed signal, where the in-phase and quadrature signals occupy the same time interval and frequency band and are transmitted simultaneously.
27. The system of claim 26 , wherein the first signal is a pulse-amplitude modulated (PAM) orthogonal frequency-division multiplexing (OFDM) signal and the second signal is a quadrature-amplitude modulated (QAM) cyclic-prefix single-carrier (CP-SC) signal.
A system for multiplexing signals that includes a receiver, in-phase generator, quadrature generator, adder, and transmitter where the in-phase and quadrature signals occupy the same time interval and frequency band, this claim specifies that the first signal is a Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal, and the second signal is a Quadrature-Amplitude Modulated (QAM) cyclic-prefix single-carrier (CP-SC) signal.
28. The system of claim 26 , wherein the first domain is the frequency domain.
A system for multiplexing signals including a receiver, in-phase generator, quadrature generator, adder, and transmitter where the in-phase signal is real in a specified domain and the quadrature signal is imaginary in that same domain, this claim specifies that the domain is the frequency domain.
29. The system of claim 26 , wherein the in-phase generator is configured to generate the in-phase signal by inverse transforming the first signal and wherein the quadrature generator is configured to generate the quadrature signal by concatenating the complex-even and complex-odd portions of the second signal.
In a system for multiplexing signals consisting of a receiver, an adder, and a transmitter, this claim specifies that the in-phase generator creates the in-phase signal by performing an inverse transform on the first signal, and the quadrature generator creates the quadrature signal by concatenating the complex-even and complex-odd portions of the second signal.
30. A system for demultiplexing signals, the system comprising: a receiver that receives a single multiplexed signal, the single multiplexed signal comprising a combined in-phase signal and a quadrature signal, the in-phase signal being real in a first domain and the quadrature signal being imaginary in the first domain, wherein the in-phase signal and the quadrature signal occupy a same time interval and a same frequency band in the single multiplexed signal, wherein the quadrature signal and the in-phase signal each comprises a separate and complete signal prior to being multiplexed, and the in-phase signal and the quadrature signal are received simultaneously over the same frequency band in the single multiplexed signal; an in-phase demodulator that determines a first signal based on the in-phase signal; and a quadrature demodulator that determines a second signal based on the quadrature signal.
A system for demultiplexing signals includes a receiver that receives a single multiplexed signal containing a combined in-phase and quadrature signal. The in-phase signal is real in a domain, and the quadrature signal is imaginary in that same domain. Both signals were separate and complete prior to multiplexing and occupy the same time interval and frequency band. An in-phase demodulator determines a first signal based on the in-phase signal, and a quadrature demodulator determines a second signal based on the quadrature signal.
31. The system of claim 30 , wherein the receiver is configured to receive the single multiplexed signal in the time domain and the first domain is the frequency domain, further comprising a Fourier transform module configured to Fourier transform the multiplexed signal.
A system for demultiplexing signals includes a receiver, an in-phase demodulator, and a quadrature demodulator where a multiplexed signal is separated into in-phase and quadrature components to obtain the original signals. This claim specifies that the receiver is configured to receive the multiplexed signal in the time domain, that the domain where the in-phase/quadrature signals are real/imaginary is the frequency domain, and that the system includes a Fourier transform module to transform the multiplexed signal.
32. A system for multiplexing signals, the system comprising: means for receiving a first signal having at least a real component; means for receiving a second signal having at least a real component; means for generating an in-phase signal based, at least in part, on the first signal, the in-phase signal being real in a first domain, wherein the in-phase signal comprises a separate and complete signal; means for generating a quadrature signal based, at least in part, on the second signal, the quadrature signal being imaginary in the first domain, wherein the quadrature signal comprises a separate and complete signal; means for combining the in-phase signal and the quadrature signal to generate a single multiplexed signal; and means for transmitting the single multiplexed signal, wherein the in-phase signal and the quadrature signal occupy a same time interval and a same frequency band in the single multiplexed signal, and the in-phase signal and the quadrature signal are transmitted simultaneously over the same frequency band in the single multiplexed signal.
A system for multiplexing signals with: means for receiving two signals (each with at least a real component); means for generating an in-phase signal (real in a domain, separate, complete) from the first signal; means for generating a quadrature signal (imaginary in the same domain, separate, complete) from the second signal; means for combining the in-phase and quadrature signals into a single multiplexed signal; and means for transmitting the multiplexed signal. The in-phase and quadrature signals occupy the same time interval and frequency band, and are transmitted simultaneously.
33. A system for demultiplexing signals, the system comprising: means for receiving a single multiplexed signal, the single multiplexed signal comprising a combined in-phase signal and a quadrature signal, the in-phase signal being real in a first domain and the quadrature signal being imaginary in the first domain, wherein the in-phase signal and the quadrature signal occupy a same time interval and a same frequency band in the single multiplexed signal, wherein the quadrature signal and the in-phase signal each comprises a separate and complete signal prior to being multiplexed, and the in-phase signal and the quadrature signal are received simultaneously over the same frequency band in the single multiplexed signal; means for determining a first signal based on the in-phase signal; and means for determining a second signal based on the quadrature signal.
A system for demultiplexing signals with: means for receiving a single multiplexed signal (containing a combined in-phase and quadrature signal, where the in-phase signal is real in a domain and the quadrature signal is imaginary in that same domain; the in-phase and quadrature signals each being separate and complete prior to multiplexing, and occupying the same time interval and frequency band); means for determining a first signal based on the in-phase signal; and means for determining a second signal based on the quadrature signal.
34. A non-transitory computer-readable storage medium having instructions encoded thereon which, when executed by one or more processors, performs a method of multiplexing signals, the method comprising: receiving a first signal having at least a real component; receiving a second signal having at least a real component; generating an in-phase signal based, at least in part, on the first signal, the in-phase signal being real in a first domain, wherein the in-phase signal comprises a separate and complete signal; generating a quadrature signal based, at least in part, on the second signal, the quadrature signal being imaginary in the first domain, wherein the quadrature signal comprises a separate and complete signal; combining the in-phase signal and the quadrature signal to generate a single multiplexed signal; and transmitting the single multiplexed signal, wherein the in-phase signal and the quadrature signal occupy a same time interval and a same frequency band in the single multiplexed signal, and the in-phase signal and the quadrature signal are transmitted simultaneously over the same frequency band in the single multiplexed signal.
A non-transitory computer-readable storage medium storing instructions for multiplexing signals. The instructions, when executed, perform steps of: receiving two signals (each with at least a real component); generating an in-phase signal (real in a domain, separate, complete) based on the first signal; generating a quadrature signal (imaginary in the same domain, separate, complete) based on the second signal; combining the in-phase and quadrature signals into a single multiplexed signal; and transmitting the multiplexed signal. The in-phase and quadrature signals occupy the same time interval and frequency band, and are transmitted simultaneously.
35. A non-transitory computer-readable storage medium having instructions encoded thereon which, when executed by one or more processors, performs a method of demultiplexing signals, the method comprising: receiving a single multiplexed signal, the single multiplexed signal comprising a combined in-phase signal and a quadrature signal, the in-phase signal being real in a first domain and the quadrature signal being imaginary in the first domain, wherein the in-phase signal and the quadrature signal occupy a same time interval and a same frequency band in the single multiplexed signal, wherein the quadrature signal and the in-phase signal each comprises a separate and complete signal prior to being multiplexed, and the in-phase signal and the quadrature signal are received simultaneously over the same frequency band in the single multiplexed signal; determining a first signal based on the in-phase signal; and determining a second signal based on the quadrature signal.
A non-transitory computer-readable storage medium storing instructions for demultiplexing signals. The instructions, when executed, perform steps of: receiving a single multiplexed signal (containing a combined in-phase and quadrature signal, where the in-phase signal is real in a domain and the quadrature signal is imaginary in that same domain, each signal separate and complete prior to multiplexing, and occupying the same time interval and frequency band); determining a first signal based on the in-phase signal; and determining a second signal based on the quadrature signal.
36. The method of claim 1 , wherein it is unnecessary for the first signal and the second signal to have real components in a same domain.
Building upon the method of multiplexing signals by combining a real-valued Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal (in the frequency domain) and a complex-valued Quadrature-Amplitude Modulated (QAM) cyclic-prefix single-carrier (CP-SC) signal (in the time domain), where it involves inverse transforming the OFDM signal to create an in-phase signal (complex in time, real in frequency), which is a separate, complete signal, and the complex-even and complex-odd portions of the CP-SC signal are concatenated to form a quadrature signal (complex in time, imaginary in frequency), which is also a separate, complete signal, and where these in-phase and quadrature signals are added to generate a single multiplexed signal and then transmitted with both occupying the same time interval and frequency band, this claim specifies that it is not necessary for the first signal and the second signal to have real components in the *same* domain (e.g. one can be real in time, the other real in frequency).
37. The method of claim 3 , wherein the first domain comprises either time domain or frequency domain.
Building on the method for multiplexing two signals where an in-phase signal, based on a first signal having at least a real component, and a quadrature signal, based on a second signal having at least a real component, are generated, combined, and transmitted such that they occupy the same time interval and frequency band, and where the in-phase signal is real and the quadrature signal is imaginary in a first domain, this claim specifies that the "first domain" can be either the time domain or the frequency domain.
38. The method of claim 1 , wherein the in-phase signal and the quadrature signal are separate and distinct signals.
Building upon the method of multiplexing signals by combining a real-valued Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal (in the frequency domain) and a complex-valued Quadrature-Amplitude Modulated (QAM) cyclic-prefix single-carrier (CP-SC) signal (in the time domain), where it involves inverse transforming the OFDM signal to create an in-phase signal (complex in time, real in frequency), which is a separate, complete signal, and the complex-even and complex-odd portions of the CP-SC signal are concatenated to form a quadrature signal (complex in time, imaginary in frequency), which is also a separate, complete signal, and where these in-phase and quadrature signals are added to generate a single multiplexed signal and then transmitted with both occupying the same time interval and frequency band, this claim emphasizes that the in-phase signal and the quadrature signal are separate and distinct signals.
39. The method of claim 1 , wherein two signals are transmitted simultaneously over the same frequency band in the single multiplexed signal regardless of whether the two signals are real or complex, or in the frequency domain or time domain.
Building upon the method of multiplexing signals by combining a real-valued Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal (in the frequency domain) and a complex-valued Quadrature-Amplitude Modulated (QAM) cyclic-prefix single-carrier (CP-SC) signal (in the time domain), where it involves inverse transforming the OFDM signal to create an in-phase signal (complex in time, real in frequency), which is a separate, complete signal, and the complex-even and complex-odd portions of the CP-SC signal are concatenated to form a quadrature signal (complex in time, imaginary in frequency), which is also a separate, complete signal, and where these in-phase and quadrature signals are added to generate a single multiplexed signal and then transmitted with both occupying the same time interval and frequency band, this claim emphasizes that the two signals are transmitted simultaneously over the same frequency band regardless of whether the two signals are real or complex, or in the frequency domain or time domain.
40. The method of claim 1 , wherein two signals are transmitted simultaneously over the same frequency band in the single multiplexed signal, wherein the single multiplexed signal comprises a first signal being real in the frequency domain, and a second signal being complex in the time domain.
Building upon the method of multiplexing signals by combining a real-valued Pulse-Amplitude Modulated (PAM) Orthogonal Frequency-Division Multiplexing (OFDM) signal (in the frequency domain) and a complex-valued Quadrature-Amplitude Modulated (QAM) cyclic-prefix single-carrier (CP-SC) signal (in the time domain), where it involves inverse transforming the OFDM signal to create an in-phase signal (complex in time, real in frequency), which is a separate, complete signal, and the complex-even and complex-odd portions of the CP-SC signal are concatenated to form a quadrature signal (complex in time, imaginary in frequency), which is also a separate, complete signal, and where these in-phase and quadrature signals are added to generate a single multiplexed signal and then transmitted with both occupying the same time interval and frequency band, this claim specifies that the single multiplexed signal contains a first signal that is real in the frequency domain, and a second signal that is complex in the time domain.
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August 5, 2014
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